cars = 100
space_in_a_car = 4
drivers = 30
passengers = 90
cars_not_driven = cars - drivers
cars_driven = drivers
carpool_capacity = cars_driven * space_in_a_car
average_passengers_per_car = passengers / cars_driven


print("there are", cars, "cars available.")
print("there are only",drivers,"drivers available.")
print('there will be', cars_not_driven, 'empty cars today.')
print('we can transport',carpool_capacity,'people today')
print('we have',passengers,'to carpool today.')
print('we need to put about',average_passengers_per_car,'in each car.')